US Bridges

SH 225 over Robin ST

Fair

Harris County, Texas · 1.55 MI E of Beltway 8 · Structure no. 121020050201059

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
236 ft
3 main spans
Daily traffic
90,072
2023 count
Owner
State
State Highway Agency

About this bridge

SH 225 over Robin ST is a prestressed concrete stringer/multi-beam or girder carrying SH 225 over Robin ST in Harris County, Texas. It was built in 1990, so it is 35 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 90,072 vehicles a day, roughly 19% of them trucks, projected to reach 126,101 by 2042. The structure is 236 ft (71.9 m) long and 143 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 225
CrossesRobin ST
Location1.55 MI E of Beltway 8
RouteState Highway 225
CountyHarris County
StateTexas
Coordinates29.7115, -95.12745
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length236 ft (71.9 m)
Longest span84 ft (25.6 m)
Deck width143 ft (43.5 m)
Roadway width138 ft (42.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90,072 (2023)
Projected traffic126,101 by 2042
Trucks19%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 225 over Robin ST built?

It was built in 1990, making it 35 years old in 2025.

What condition is SH 225 over Robin ST in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does SH 225 over Robin ST carry?

About 90,072 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is SH 225 over Robin ST?

The structure is 236 ft (71.9 m) long with a longest span of 84 ft (25.6 m) and a deck 143 ft wide.

Who owns SH 225 over Robin ST?

It is owned by the State Highway Agency.